The most useful websites on the Internet that will make you smarter, increase productivity and help you learn new skills. These incredibly useful websites solve at least one problem really well
Recopilación de tutoriales y materiales útiles sobre los programas y herramientas
A practical operations handbook for on-site and offline environments, focused on Linux, networking, and Go service operations. Built for high-pressure, restricted-access production systems. 面向驻场与封闭网络环境的实战运维速查手册，涵盖 Linux、网络排障与 Go 服务运维。 为高压力、受限访问的生产环境而生。
Blazingly fast search and editing of note files in your terminal. Built with FZF.
The essentials of Python in a handy Quick Reference with comprehensible code examples and intuitive navigation. Not for learning, just for reference.
Reference card of keyboard shortcuts in Gmail
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